content: /*
   * 支付宝开放平台API
   * 支付宝开放平台v3协议文档
   *
   * The version of the OpenAPI document: 2025-08-26
   * 
   *
   * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
   * https://openapi-generator.tech
   * Do not edit the class manually.
   */
  
  
  package com.alipay.v3.model;
  
  import java.util.Objects;
  import java.util.Arrays;
  import com.google.gson.TypeAdapter;
  import com.google.gson.annotations.JsonAdapter;
  import com.google.gson.annotations.SerializedName;
  import com.google.gson.stream.JsonReader;
  import com.google.gson.stream.JsonWriter;
  import io.swagger.annotations.ApiModel;
  import io.swagger.annotations.ApiModelProperty;
  import java.io.IOException;
  
  import com.google.gson.Gson;
  import com.google.gson.GsonBuilder;
  import com.google.gson.JsonArray;
  import com.google.gson.JsonDeserializationContext;
  import com.google.gson.JsonDeserializer;
  import com.google.gson.JsonElement;
  import com.google.gson.JsonObject;
  import com.google.gson.JsonParseException;
  import com.google.gson.TypeAdapterFactory;
  import com.google.gson.reflect.TypeToken;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Set;
  
  import com.alipay.v3.JSON;
  
  /**
   * OrderExtIstdForPreOrder
   */
  @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
  public class OrderExtIstdForPreOrder {
    public static final String SERIALIZED_NAME_CASH_ON_DELIVERY = "cash_on_delivery";
    @SerializedName(SERIALIZED_NAME_CASH_ON_DELIVERY)
    private String cashOnDelivery;
  
    public static final String SERIALIZED_NAME_CASH_ON_PICKUP = "cash_on_pickup";
    @SerializedName(SERIALIZED_NAME_CASH_ON_PICKUP)
    private String cashOnPickup;
  
    public static final String SERIALIZED_NAME_CONSUMER_ORDER_TIME = "consumer_order_time";
    @SerializedName(SERIALIZED_NAME_CONSUMER_ORDER_TIME)
    private String consumerOrderTime;
  
    public static final String SERIALIZED_NAME_DELIVERY_DIRECTION = "delivery_direction";
    @SerializedName(SERIALIZED_NAME_DELIVERY_DIRECTION)
    private Integer deliveryDirection;
  
    public static final String SERIALIZED_NAME_DELIVERY_TYPE = "delivery_type";
    @SerializedName(SERIALIZED_NAME_DELIVERY_TYPE)
    private Integer deliveryType;
  
    public static final String SERIALIZED_NAME_DESC = "desc";
    @SerializedName(SERIALIZED_NAME_DESC)
    private String desc;
  
    public static final String SERIALIZED_NAME_EXPECTED_DELIVERY_TIME = "expected_delivery_time";
    @SerializedName(SERIALIZED_NAME_EXPECTED_DELIVERY_TIME)
    private String expectedDeliveryTime;
  
    public static final String SERIALIZED_NAME_EXPECTED_FINISH_TIME = "expected_finish_time";
    @SerializedName(SERIALIZED_NAME_EXPECTED_FINISH_TIME)
    private String expectedFinishTime;
  
    public static final String SERIALIZED_NAME_EXPECTED_PICK_TIME = "expected_pick_time";
    @SerializedName(SERIALIZED_NAME_EXPECTED_PICK_TIME)
    private String expectedPickTime;
  
    public static final String SERIALIZED_NAME_INSURE_PRICE = "insure_price";
    @SerializedName(SERIALIZED_NAME_INSURE_PRICE)
    private String insurePrice;
  
    public static final String SERIALIZED_NAME_IS_DIRECT_DELIVERY = "is_direct_delivery";
    @SerializedName(SERIALIZED_NAME_IS_DIRECT_DELIVERY)
    private Integer isDirectDelivery;
  
    public static final String SERIALIZED_NAME_IS_FINISH_CODE_NEEDED = "is_finish_code_needed";
    @SerializedName(SERIALIZED_NAME_IS_FINISH_CODE_NEEDED)
    private Integer isFinishCodeNeeded;
  
    public static final String SERIALIZED_NAME_IS_INSURED = "is_insured";
    @SerializedName(SERIALIZED_NAME_IS_INSURED)
    private Integer isInsured;
  
    public static final String SERIALIZED_NAME_IS_PICKUP_CODE_NEEDED = "is_pickup_code_needed";
    @SerializedName(SERIALIZED_NAME_IS_PICKUP_CODE_NEEDED)
    private Integer isPickupCodeNeeded;
  
    public static final String SERIALIZED_NAME_POI_SEQ = "poi_seq";
    @SerializedName(SERIALIZED_NAME_POI_SEQ)
    private String poiSeq;
  
    public static final String SERIALIZED_NAME_SERVICE_CODE = "service_code";
    @SerializedName(SERIALIZED_NAME_SERVICE_CODE)
    private String serviceCode;
  
    public OrderExtIstdForPreOrder() { 
    }
  
    public OrderExtIstdForPreOrder cashOnDelivery(String cashOnDelivery) {
      
      this.cashOnDelivery = cashOnDelivery;
      return this;
    }
  
     /**
     * 骑手应付金额，单位元
     * @return cashOnDelivery
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "15.00", value = "骑手应付金额，单位元")
  
    public String getCashOnDelivery() {
      return cashOnDelivery;
    }
  
  
    public void setCashOnDelivery(String cashOnDelivery) {
      this.cashOnDelivery = cashOnDelivery;
    }
  
  
    public OrderExtIstdForPreOrder cashOnPickup(String cashOnPickup) {
      
      this.cashOnPickup = cashOnPickup;
      return this;
    }
  
     /**
     * 骑手应收金额，单位元
     * @return cashOnPickup
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "13.00", value = "骑手应收金额，单位元")
  
    public String getCashOnPickup() {
      return cashOnPickup;
    }
  
  
    public void setCashOnPickup(String cashOnPickup) {
      this.cashOnPickup = cashOnPickup;
    }
  
  
    public OrderExtIstdForPreOrder consumerOrderTime(String consumerOrderTime) {
      
      this.consumerOrderTime = consumerOrderTime;
      return this;
    }
  
     /**
     * 消费者下单时间
     * @return consumerOrderTime
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "2020-06-01 13:23:00", value = "消费者下单时间")
  
    public String getConsumerOrderTime() {
      return consumerOrderTime;
    }
  
  
    public void setConsumerOrderTime(String consumerOrderTime) {
      this.consumerOrderTime = consumerOrderTime;
    }
  
  
    public OrderExtIstdForPreOrder deliveryDirection(Integer deliveryDirection) {
      
      this.deliveryDirection = deliveryDirection;
      return this;
    }
  
     /**
     * 物流流向，1：从门店取件送至用户；2：从用户取件送至门店
     * @return deliveryDirection
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1", value = "物流流向，1：从门店取件送至用户；2：从用户取件送至门店")
  
    public Integer getDeliveryDirection() {
      return deliveryDirection;
    }
  
  
    public void setDeliveryDirection(Integer deliveryDirection) {
      this.deliveryDirection = deliveryDirection;
    }
  
  
    public OrderExtIstdForPreOrder deliveryType(Integer deliveryType) {
      
      this.deliveryType = deliveryType;
      return this;
    }
  
     /**
     * 配送类型, 0: 即时单 1 预约单
     * @return deliveryType
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0", value = "配送类型, 0: 即时单 1 预约单")
  
    public Integer getDeliveryType() {
      return deliveryType;
    }
  
  
    public void setDeliveryType(Integer deliveryType) {
      this.deliveryType = deliveryType;
    }
  
  
    public OrderExtIstdForPreOrder desc(String desc) {
      
      this.desc = desc;
      return this;
    }
  
     /**
     * 备注
     * @return desc
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "备注", value = "备注")
  
    public String getDesc() {
      return desc;
    }
  
  
    public void setDesc(String desc) {
      this.desc = desc;
    }
  
  
    public OrderExtIstdForPreOrder expectedDeliveryTime(String expectedDeliveryTime) {
      
      this.expectedDeliveryTime = expectedDeliveryTime;
      return this;
    }
  
     /**
     * 期望派单时间
     * @return expectedDeliveryTime
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "2020-11-27 15:45:57", value = "期望派单时间")
  
    public String getExpectedDeliveryTime() {
      return expectedDeliveryTime;
    }
  
  
    public void setExpectedDeliveryTime(String expectedDeliveryTime) {
      this.expectedDeliveryTime = expectedDeliveryTime;
    }
  
  
    public OrderExtIstdForPreOrder expectedFinishTime(String expectedFinishTime) {
      
      this.expectedFinishTime = expectedFinishTime;
      return this;
    }
  
     /**
     * 期望送达时间
     * @return expectedFinishTime
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "2020-06-01 13:23:00", value = "期望送达时间")
  
    public String getExpectedFinishTime() {
      return expectedFinishTime;
    }
  
  
    public void setExpectedFinishTime(String expectedFinishTime) {
      this.expectedFinishTime = expectedFinishTime;
    }
  
  
    public OrderExtIstdForPreOrder expectedPickTime(String expectedPickTime) {
      
      this.expectedPickTime = expectedPickTime;
      return this;
    }
  
     /**
     * 期望取件时间
     * @return expectedPickTime
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "2020-06-01 13:23:00", value = "期望取件时间")
  
    public String getExpectedPickTime() {
      return expectedPickTime;
    }
  
  
    public void setExpectedPickTime(String expectedPickTime) {
      this.expectedPickTime = expectedPickTime;
    }
  
  
    public OrderExtIstdForPreOrder insurePrice(String insurePrice) {
      
      this.insurePrice = insurePrice;
      return this;
    }
  
     /**
     * 保价金额
     * @return insurePrice
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "100.00", value = "保价金额")
  
    public String getInsurePrice() {
      return insurePrice;
    }
  
  
    public void setInsurePrice(String insurePrice) {
      this.insurePrice = insurePrice;
    }
  
  
    public OrderExtIstdForPreOrder isDirectDelivery(Integer isDirectDelivery) {
      
      this.isDirectDelivery = isDirectDelivery;
      return this;
    }
  
     /**
     * 是否直拿直送，1:直拿直送 0:非直拿直送
     * @return isDirectDelivery
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1", value = "是否直拿直送，1:直拿直送 0:非直拿直送")
  
    public Integer getIsDirectDelivery() {
      return isDirectDelivery;
    }
  
  
    public void setIsDirectDelivery(Integer isDirectDelivery) {
      this.isDirectDelivery = isDirectDelivery;
    }
  
  
    public OrderExtIstdForPreOrder isFinishCodeNeeded(Integer isFinishCodeNeeded) {
      
      this.isFinishCodeNeeded = isFinishCodeNeeded;
      return this;
    }
  
     /**
     * 是否需要收货码，1:需要 0:不需要
     * @return isFinishCodeNeeded
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0", value = "是否需要收货码，1:需要 0:不需要")
  
    public Integer getIsFinishCodeNeeded() {
      return isFinishCodeNeeded;
    }
  
  
    public void setIsFinishCodeNeeded(Integer isFinishCodeNeeded) {
      this.isFinishCodeNeeded = isFinishCodeNeeded;
    }
  
  
    public OrderExtIstdForPreOrder isInsured(Integer isInsured) {
      
      this.isInsured = isInsured;
      return this;
    }
  
     /**
     * 是否保价，1:保价 0:不保价
     * @return isInsured
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0", value = "是否保价，1:保价 0:不保价")
  
    public Integer getIsInsured() {
      return isInsured;
    }
  
  
    public void setIsInsured(Integer isInsured) {
      this.isInsured = isInsured;
    }
  
  
    public OrderExtIstdForPreOrder isPickupCodeNeeded(Integer isPickupCodeNeeded) {
      
      this.isPickupCodeNeeded = isPickupCodeNeeded;
      return this;
    }
  
     /**
     * 是否需要取货码，1:需要 0:不需要
     * @return isPickupCodeNeeded
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0", value = "是否需要取货码，1:需要 0:不需要")
  
    public Integer getIsPickupCodeNeeded() {
      return isPickupCodeNeeded;
    }
  
  
    public void setIsPickupCodeNeeded(Integer isPickupCodeNeeded) {
      this.isPickupCodeNeeded = isPickupCodeNeeded;
    }
  
  
    public OrderExtIstdForPreOrder poiSeq(String poiSeq) {
      
      this.poiSeq = poiSeq;
      return this;
    }
  
     /**
     * 门店订单流水号
     * @return poiSeq
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "xxx", value = "门店订单流水号")
  
    public String getPoiSeq() {
      return poiSeq;
    }
  
  
    public void setPoiSeq(String poiSeq) {
      this.poiSeq = poiSeq;
    }
  
  
    public OrderExtIstdForPreOrder serviceCode(String serviceCode) {
      
      this.serviceCode = serviceCode;
      return this;
    }
  
     /**
     * 即时配送公司的服务代码
     * @return serviceCode
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "001", value = "即时配送公司的服务代码")
  
    public String getServiceCode() {
      return serviceCode;
    }
  
  
    public void setServiceCode(String serviceCode) {
      this.serviceCode = serviceCode;
    }
  
    /**
     * A container for additional, undeclared properties.
     * This is a holder for any undeclared properties as specified with
     * the 'additionalProperties' keyword in the OAS document.
     */
    private Map<String, Object> additionalProperties;
  
    /**
     * Set the additional (undeclared) property with the specified name and value.
     * If the property does not already exist, create it otherwise replace it.
     *
     * @param key name of the property
     * @param value value of the property
     * @return the OrderExtIstdForPreOrder instance itself
     */
    public OrderExtIstdForPreOrder putAdditionalProperty(String key, Object value) {
      if (this.additionalProperties == null) {
          this.additionalProperties = new HashMap<String, Object>();
      }
      this.additionalProperties.put(key, value);
      return this;
    }
  
    /**
     * Return the additional (undeclared) property.
     *
     * @return a map of objects
     */
    public Map<String, Object> getAdditionalProperties() {
      return additionalProperties;
    }
  
    /**
     * Return the additional (undeclared) property with the specified name.
     *
     * @param key name of the property
     * @return an object
     */
    public Object getAdditionalProperty(String key) {
      if (this.additionalProperties == null) {
          return null;
      }
      return this.additionalProperties.get(key);
    }
  
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      OrderExtIstdForPreOrder orderExtIstdForPreOrder = (OrderExtIstdForPreOrder) o;
      return Objects.equals(this.cashOnDelivery, orderExtIstdForPreOrder.cashOnDelivery) &&
          Objects.equals(this.cashOnPickup, orderExtIstdForPreOrder.cashOnPickup) &&
          Objects.equals(this.consumerOrderTime, orderExtIstdForPreOrder.consumerOrderTime) &&
          Objects.equals(this.deliveryDirection, orderExtIstdForPreOrder.deliveryDirection) &&
          Objects.equals(this.deliveryType, orderExtIstdForPreOrder.deliveryType) &&
          Objects.equals(this.desc, orderExtIstdForPreOrder.desc) &&
          Objects.equals(this.expectedDeliveryTime, orderExtIstdForPreOrder.expectedDeliveryTime) &&
          Objects.equals(this.expectedFinishTime, orderExtIstdForPreOrder.expectedFinishTime) &&
          Objects.equals(this.expectedPickTime, orderExtIstdForPreOrder.expectedPickTime) &&
          Objects.equals(this.insurePrice, orderExtIstdForPreOrder.insurePrice) &&
          Objects.equals(this.isDirectDelivery, orderExtIstdForPreOrder.isDirectDelivery) &&
          Objects.equals(this.isFinishCodeNeeded, orderExtIstdForPreOrder.isFinishCodeNeeded) &&
          Objects.equals(this.isInsured, orderExtIstdForPreOrder.isInsured) &&
          Objects.equals(this.isPickupCodeNeeded, orderExtIstdForPreOrder.isPickupCodeNeeded) &&
          Objects.equals(this.poiSeq, orderExtIstdForPreOrder.poiSeq) &&
          Objects.equals(this.serviceCode, orderExtIstdForPreOrder.serviceCode)&&
          Objects.equals(this.additionalProperties, orderExtIstdForPreOrder.additionalProperties);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(cashOnDelivery, cashOnPickup, consumerOrderTime, deliveryDirection, deliveryType, desc, expectedDeliveryTime, expectedFinishTime, expectedPickTime, insurePrice, isDirectDelivery, isFinishCodeNeeded, isInsured, isPickupCodeNeeded, poiSeq, serviceCode, additionalProperties);
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("class OrderExtIstdForPreOrder {\n");
      sb.append("    cashOnDelivery: ").append(toIndentedString(cashOnDelivery)).append("\n");
      sb.append("    cashOnPickup: ").append(toIndentedString(cashOnPickup)).append("\n");
      sb.append("    consumerOrderTime: ").append(toIndentedString(consumerOrderTime)).append("\n");
      sb.append("    deliveryDirection: ").append(toIndentedString(deliveryDirection)).append("\n");
      sb.append("    deliveryType: ").append(toIndentedString(deliveryType)).append("\n");
      sb.append("    desc: ").append(toIndentedString(desc)).append("\n");
      sb.append("    expectedDeliveryTime: ").append(toIndentedString(expectedDeliveryTime)).append("\n");
      sb.append("    expectedFinishTime: ").append(toIndentedString(expectedFinishTime)).append("\n");
      sb.append("    expectedPickTime: ").append(toIndentedString(expectedPickTime)).append("\n");
      sb.append("    insurePrice: ").append(toIndentedString(insurePrice)).append("\n");
      sb.append("    isDirectDelivery: ").append(toIndentedString(isDirectDelivery)).append("\n");
      sb.append("    isFinishCodeNeeded: ").append(toIndentedString(isFinishCodeNeeded)).append("\n");
      sb.append("    isInsured: ").append(toIndentedString(isInsured)).append("\n");
      sb.append("    isPickupCodeNeeded: ").append(toIndentedString(isPickupCodeNeeded)).append("\n");
      sb.append("    poiSeq: ").append(toIndentedString(poiSeq)).append("\n");
      sb.append("    serviceCode: ").append(toIndentedString(serviceCode)).append("\n");
      sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
      sb.append("}");
      return sb.toString();
    }
  
    /**
     * Convert the given object to string with each line indented by 4 spaces
     * (except the first line).
     */
    private String toIndentedString(Object o) {
      if (o == null) {
        return "null";
      }
      return o.toString().replace("\n", "\n    ");
    }
  
  
    public static HashSet<String> openapiFields;
    public static HashSet<String> openapiRequiredFields;
  
    static {
      // a set of all properties/fields (JSON key names)
      openapiFields = new HashSet<String>();
      openapiFields.add("cash_on_delivery");
      openapiFields.add("cash_on_pickup");
      openapiFields.add("consumer_order_time");
      openapiFields.add("delivery_direction");
      openapiFields.add("delivery_type");
      openapiFields.add("desc");
      openapiFields.add("expected_delivery_time");
      openapiFields.add("expected_finish_time");
      openapiFields.add("expected_pick_time");
      openapiFields.add("insure_price");
      openapiFields.add("is_direct_delivery");
      openapiFields.add("is_finish_code_needed");
      openapiFields.add("is_insured");
      openapiFields.add("is_pickup_code_needed");
      openapiFields.add("poi_seq");
      openapiFields.add("service_code");
  
      // a set of required properties/fields (JSON key names)
      openapiRequiredFields = new HashSet<String>();
    }
  
   /**
    * Validates the JSON Object and throws an exception if issues found
    *
    * @param jsonObj JSON Object
    * @throws IOException if the JSON Object is invalid with respect to OrderExtIstdForPreOrder
    */
    public static void validateJsonObject(JsonObject jsonObj) throws IOException {
        if (jsonObj == null) {
          if (OrderExtIstdForPreOrder.openapiRequiredFields.isEmpty()) {
            return;
          } else { // has required fields
            throw new IllegalArgumentException(String.format("The required field(s) %s in OrderExtIstdForPreOrder is not found in the empty JSON string", OrderExtIstdForPreOrder.openapiRequiredFields.toString()));
          }
        }
        if (jsonObj.get("cash_on_delivery") != null && !jsonObj.get("cash_on_delivery").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `cash_on_delivery` to be a primitive type in the JSON string but got `%s`", jsonObj.get("cash_on_delivery").toString()));
        }
        if (jsonObj.get("cash_on_pickup") != null && !jsonObj.get("cash_on_pickup").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `cash_on_pickup` to be a primitive type in the JSON string but got `%s`", jsonObj.get("cash_on_pickup").toString()));
        }
        if (jsonObj.get("consumer_order_time") != null && !jsonObj.get("consumer_order_time").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `consumer_order_time` to be a primitive type in the JSON string but got `%s`", jsonObj.get("consumer_order_time").toString()));
        }
        if (jsonObj.get("desc") != null && !jsonObj.get("desc").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `desc` to be a primitive type in the JSON string but got `%s`", jsonObj.get("desc").toString()));
        }
        if (jsonObj.get("expected_delivery_time") != null && !jsonObj.get("expected_delivery_time").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `expected_delivery_time` to be a primitive type in the JSON string but got `%s`", jsonObj.get("expected_delivery_time").toString()));
        }
        if (jsonObj.get("expected_finish_time") != null && !jsonObj.get("expected_finish_time").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `expected_finish_time` to be a primitive type in the JSON string but got `%s`", jsonObj.get("expected_finish_time").toString()));
        }
        if (jsonObj.get("expected_pick_time") != null && !jsonObj.get("expected_pick_time").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `expected_pick_time` to be a primitive type in the JSON string but got `%s`", jsonObj.get("expected_pick_time").toString()));
        }
        if (jsonObj.get("insure_price") != null && !jsonObj.get("insure_price").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `insure_price` to be a primitive type in the JSON string but got `%s`", jsonObj.get("insure_price").toString()));
        }
        if (jsonObj.get("poi_seq") != null && !jsonObj.get("poi_seq").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `poi_seq` to be a primitive type in the JSON string but got `%s`", jsonObj.get("poi_seq").toString()));
        }
        if (jsonObj.get("service_code") != null && !jsonObj.get("service_code").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `service_code` to be a primitive type in the JSON string but got `%s`", jsonObj.get("service_code").toString()));
        }
    }
  
    public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
      @SuppressWarnings("unchecked")
      @Override
      public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
         if (!OrderExtIstdForPreOrder.class.isAssignableFrom(type.getRawType())) {
           return null; // this class only serializes 'OrderExtIstdForPreOrder' and its subtypes
         }
         final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
         final TypeAdapter<OrderExtIstdForPreOrder> thisAdapter
                          = gson.getDelegateAdapter(this, TypeToken.get(OrderExtIstdForPreOrder.class));
  
         return (TypeAdapter<T>) new TypeAdapter<OrderExtIstdForPreOrder>() {
             @Override
             public void write(JsonWriter out, OrderExtIstdForPreOrder value) throws IOException {
               JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
               obj.remove("additionalProperties");
               // serialize additonal properties
               if (value.getAdditionalProperties() != null) {
                 for (Map.Entry<String, Object> entry : value.getAdditionalProperties().entrySet()) {
                   if (entry.getValue() instanceof String)
                     obj.addProperty(entry.getKey(), (String) entry.getValue());
                   else if (entry.getValue() instanceof Number)
                     obj.addProperty(entry.getKey(), (Number) entry.getValue());
                   else if (entry.getValue() instanceof Boolean)
                     obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                   else if (entry.getValue() instanceof Character)
                     obj.addProperty(entry.getKey(), (Character) entry.getValue());
                   else {
                     obj.add(entry.getKey(), gson.toJsonTree(entry.getValue()).getAsJsonObject());
                   }
                 }
               }
               elementAdapter.write(out, obj);
             }
  
             @Override
             public OrderExtIstdForPreOrder read(JsonReader in) throws IOException {
               JsonObject jsonObj = elementAdapter.read(in).getAsJsonObject();
               validateJsonObject(jsonObj);
               // store additional fields in the deserialized instance
               OrderExtIstdForPreOrder instance = thisAdapter.fromJsonTree(jsonObj);
               for (Map.Entry<String, JsonElement> entry : jsonObj.entrySet()) {
                 if (!openapiFields.contains(entry.getKey())) {
                   if (entry.getValue().isJsonPrimitive()) { // primitive type
                     if (entry.getValue().getAsJsonPrimitive().isString())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                     else if (entry.getValue().getAsJsonPrimitive().isNumber())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                     else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                     else
                       throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                   } else { // non-primitive type
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                   }
                 }
               }
               return instance;
             }
  
         }.nullSafe();
      }
    }
  
   /**
    * Create an instance of OrderExtIstdForPreOrder given an JSON string
    *
    * @param jsonString JSON string
    * @return An instance of OrderExtIstdForPreOrder
    * @throws IOException if the JSON string is invalid with respect to OrderExtIstdForPreOrder
    */
    public static OrderExtIstdForPreOrder fromJson(String jsonString) throws IOException {
      return JSON.getGson().fromJson(jsonString, OrderExtIstdForPreOrder.class);
    }
  
   /**
    * Convert an instance of OrderExtIstdForPreOrder to an JSON string
    *
    * @return JSON string
    */
    public String toJson() {
      return JSON.getGson().toJson(this);
    }
  }
  
  